Patents by Inventor Mark Gelmont

Mark Gelmont has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210079301
    Abstract: The present invention provides fire-retarded rigid polyurethane foam comprising the reaction product of polyol and isocyanate foam forming components and a dialkyl phosphorus-containing compound, namely a reactive mono-hydroxyl-functional dialkyl phosphinates, as flame retardant, serving as highly efficient reactive flame retardant in said rigid polyurethane foam.
    Type: Application
    Filed: July 23, 2018
    Publication date: March 18, 2021
    Inventors: Andrew PIOTROWSKI, Joseph ZILBERMAN, Jeffrey STOWELL, Mark GELMONT, Mayank SINGH, Zhihao CHEN, Eran GLUZ
  • Patent number: 10899911
    Abstract: The present invention provides dialkyl phosphorus-containing compounds, namely reactive mono-hydroxyl-functional dialkyl phosphinates, serving as highly efficient reactive flame retardants in flexible polyurethane foams. The invention further provides fire-retarded polyurethane compositions comprising said the reaction product of the mono-hydroxyl-functional dialkyl phosphinates with polyol and isocyanate foam forming components.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: January 26, 2021
    Assignee: ICL-IP America Inc.
    Inventors: Andrew Piotrowski, Joseph Zilberman, Jeffrey Stowell, Mark Gelmont, Mayank Singh, Zhihao Chen, Eran Gluz
  • Patent number: 10730995
    Abstract: The present invention provides novel cyclic phosphorus-containing compounds, namely hydroxyl-functional phospholene-1-oxides, serving as highly efficient reactive flame retardants in urethane systems, particularly in flexible polyurethane foams, semi-rigid and rigid polyurethane and polyisocyanurate foams. The invention further provides fire-retarded polyurethane compositions comprising said hydroxyl-functional phospholene-1-oxides.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: August 4, 2020
    Assignee: ICL-IP America Inc.
    Inventors: Joseph Zilberman, Andrew Piotrowski, Eran Gluz, Jeffrey Stowell, Mark Gelmont, Zhihao Chen, Mayank Singh
  • Patent number: 10723833
    Abstract: The present invention provides novel cyclic phosphorus-containing compounds, namely hydroxyl-functional phospholene-1-oxides, serving as highly efficient reactive flame retardants in urethane systems, particularly in flexible polyurethane foams, rigid polyurethane foams and rigid polyisocyanurate foams. The invention further provides fire-retarded polyurethane compositions comprising said hydroxyl-functional phospholene-1-oxides.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: July 28, 2020
    Assignee: ICL-IP America Inc.
    Inventors: Joseph Zilberman, Andrew Piotrowski, Eran Gluz, Jeffrey Stowell, Mark Gelmont, Zhihao Chen, Mayank Singh
  • Patent number: 10472462
    Abstract: The invention relates to a process for preparing bromine-containing polymer, comprising a Friedel-Crafts alkylation reaction of tetrabromoxylylene dihalide, or tetrabromoxylylene dihalide in combination with pentabromobenzyl halide, with a reactant having one or more six-membered aromatic rings, wherein the reaction takes place in a solvent in the presence of a Friedel-Crafts catalyst, and isolating from the reaction mixture the bromine-containing polymer. The so-formed polymers and their use as flame retardants form additional aspects of the invention.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: November 12, 2019
    Assignee: Bromine Compounds Ltd.
    Inventors: Mark Gelmont, Michael Yuzefovich, Andrew Piotrowski, David Yoffe, Ron Frim, Yaniv Hirschsohn
  • Patent number: 10336858
    Abstract: The invention relates to a process for preparing bromine-containing polymer, comprising a Friedel-Crafts alkylation reaction of tetrabromoxylylene dihalide, or tetrabromoxylylene dihalide in combination with pentabromobenzyl halide, with a reactant having one or more six-membered aromatic rings, wherein the reaction takes place in a solvent in the presence of a Friedel-Crafts catalyst, and isolating from the reaction mixture the bromine-containing polymer. The so-formed polymers and their use as flame retardants form additional aspects of the invention.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: July 2, 2019
    Assignee: Bromine Compounds Ltd.
    Inventors: Mark Gelmont, Michael Yuzefovich, Andrew Piotrowski, David Yoffe, Ron Frim, Yaniv Hirschsohn
  • Publication number: 20190169359
    Abstract: The invention relates to a process for preparing bromine-containing polymer, comprising a Friedel-Crafts alkylation reaction of tetrabromoxylylene dihalide, or tetrabromoxylylene dihalide in combination with pentabromobenzyl halide, with a reactant having one or more six-membered aromatic rings, wherein the reaction takes place in a solvent in the presence of a Friedel-Crafts catalyst, and isolating from the reaction mixture the bromine-containing polymer. The so-formed polymers and their use as flame retardants form additional aspects of the invention.
    Type: Application
    Filed: February 4, 2019
    Publication date: June 6, 2019
    Inventors: Mark Gelmont, Michael Yuzefovich, Andrew Piotrowski, David Yoffe, Ron Frim, Yaniv Hirschsohn
  • Publication number: 20190144754
    Abstract: The invention provides a process for preparing bromine-containing polymers, comprising a Friedel-Crafts alkylation reaction of pentabromobenzyl halide with a polymer reactant which contains one or more six-membered aromatic ring(s) in its repeat unit, in the presence of at least one Friedel-Crafts catalyst. The so-formed bromine-containing polymers, having pendent —CH2C6Br5 groups attached to at least a portion of the six-membered aromatic rings of the polymer, with a carbon ring atom of said six-membered aromatic ring being bonded to the aliphatic carbon of said —CH2C6Br5 pendent group, are also provided. These bromine-containing polymers are useful as flame retarding agents.
    Type: Application
    Filed: January 14, 2019
    Publication date: May 16, 2019
    Inventors: Mark Gelmont, Michael Yuzefovich, David Yoffe, Renata Yelizarov, Ron Frim, Lior Melamed
  • Publication number: 20190119468
    Abstract: The present invention provides dialkyl phosphorus-containing compounds, namely reactive mono-hydroxyl-functional dialkyl phosphinates, serving as highly efficient reactive flame retardants in flexible polyurethane foams. The invention further provides fire-retarded polyurethane compositions comprising said the reaction product of the mono-hydroxyl-functional dialkyl phosphinates with polyol and isocyanate foam forming components.
    Type: Application
    Filed: December 20, 2018
    Publication date: April 25, 2019
    Inventors: Andrew PIOTROWSKI, Joseph ZILBERMAN, Jeffrey STOWELL, Mark GELMONT, Mayank SINGH, Zhihao CHEN, Eran GLUZ
  • Patent number: 10227531
    Abstract: The invention provides a process for preparing bromine-containing polymers, comprising a Friedel-Crafts alkylation reaction of pentabromobenzyl halide with a polymer reactant which contains one or more six-membered aromatic ring(s) in its repeat unit, in the presence of at least one Friedel-Crafts catalyst. The so-formed bromine-containing polymers, having pendent —CH2C6Br5 groups attached to at least a portion of the six-membered aromatic rings of the polymer, with a carbon ring atom of said six-membered aromatic ring being bonded to the aliphatic carbon of said —CH2C6Br5 pendent group, are also provided. These bromine-containing polymers are useful as flame retarding agents.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: March 12, 2019
    Assignee: Bromine Compounds Ltd.
    Inventors: Mark Gelmont, Michael Yuzefovich, David Yoffe, Renata Yelizarov, Ron Frim, Lior Melamed
  • Patent number: 10208187
    Abstract: The present invention provides dialkyl phosphorus-containing compounds, namely reactive mono-hydroxyl-functional dialkyl phosphinates, serving as highly efficient reactive flame retardants in flexible polyurethane foams. The invention further provides fire-retarded polyurethane compositions comprising said the reaction product of the mono-hydroxyl-functional dialkyl phosphinates with polyol and isocyanate foam forming components.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: February 19, 2019
    Assignee: ICL-IP America Inc.
    Inventors: Andrew Piotrowski, Joseph Zilberman, Jeffrey Stowell, Mark Gelmont, Mayank Singh, Zhihao Chen, Eran Gluz
  • Publication number: 20190023873
    Abstract: The present invention provides dialkyl phosphorus-containing compounds, namely reactive mono-hydroxyl-functional dialkyl phosphinates, serving as highly efficient reactive flame retardants in flexible polyurethane foams. The invention further provides fire-retarded polyurethane compositions comprising said the reaction product of the mono-hydroxyl-functional dialkyl phosphinates with polyol and isocyanate foam forming components.
    Type: Application
    Filed: July 23, 2018
    Publication date: January 24, 2019
    Inventors: Andrew Piotrowski, Joseph Zilberman, Jeffrey Stowell, Mark Gelmont, Mayank Singh, Zhihao Chen, Eran Gluz
  • Publication number: 20180327671
    Abstract: There is provided herein a flame retardant liquid solution comprising a brominated flame retardant solute and a hydroxyl-functional phosphonate solvent of the general formula (I) described herein; and, wherein the solvent of the general formula (I) has a viscosity of less than 1,000 cps. In addition, there is provided a polyurethane foam-forming composition comprising a polyol, a catalyst and the flame retardant liquid solution, or alternatively, polyurethane foam-forming composition comprising an a catalyst and the flame retardant liquid solution, wherein the hydroxyl-functional phosphonate solvent of the general formula (I) functions as a hydroxyl-containing component and/or a flame retardant in the polyurethane foam-forming composition, as well as articles made from either of the polyurethane foam-forming compositions.
    Type: Application
    Filed: November 14, 2016
    Publication date: November 15, 2018
    Inventors: Jeffrey STOWELL, Barbara WILLIAMS, Kali SURYADEVARA, Mark GELMONT, Munjal PATEL
  • Publication number: 20180319927
    Abstract: The present invention provides novel cyclic phosphorus-containing compounds, namely hydroxyl-functional phospholene-1-oxides, serving as highly efficient reactive flame retardants in urethane systems, particularly in flexible polyurethane foams, semi-rigid and rigid polyurethane and polyisocyanurate foams. The invention further provides fire-retarded polyurethane compositions comprising said hydroxyl-functional phospholene-1-oxides.
    Type: Application
    Filed: November 10, 2016
    Publication date: November 8, 2018
    Inventors: Joseph ZILBERMAN, Andrew PIOTROWSKI, Eran GLUZ, Jeffrey STOWELL, Mark GELMONT, Zhihao CHEN, Mayank SINGH
  • Patent number: 9988332
    Abstract: The invention relates to compounds of the formula Ar(—CH2C6Br5)y, wherein Ar indicates a structure comprising one or more six-membered aromatic ring(s) and —CH2C6Br5 indicates a pentabromobenzyl group, characterized in that at least one carbon atom of said six-membered aromatic ring(s) is bonded to the benzylic carbon of said —CH2C6Br5 group, wherein y, which indicates the number of the —CH2C6Br5 groups in said compound, is not less than 1. Processes for preparing the compounds and their use as flame retardants are also disclosed.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: June 5, 2018
    Assignee: BROMINE COMPOUNDS LTD.
    Inventors: Mark Gelmont, Michael Yuzefovitch, David Yoffe, Ron Frim
  • Publication number: 20170145151
    Abstract: The invention relates to a process for preparing bromine-containing polymer, comprising a Friedel-Crafts alkylation reaction of tetrabromoxylylene dihalide, or tetrabromoxylylene dihalide in combination with pentabromobenzyl halide, with a reactant having one or more six-membered aromatic rings, wherein the reaction takes place in a solvent in the presence of a Friedel-Crafts catalyst, and isolating from the reaction mixture the bromine-containing polymer. The so-formed polymers and their use as flame retardants form additional aspects of the invention.
    Type: Application
    Filed: July 7, 2015
    Publication date: May 25, 2017
    Applicant: Bromine Compounds Ltd.
    Inventors: Mark Gelmont, Michael Yuzefovich, Andrew Piotrowski, David Yoffe, Ron Frim, Yaniv Hirschsohn
  • Publication number: 20170145313
    Abstract: The invention provides a process for preparing bromine-containing polymers, comprising a Friedel-Crafts alkylation reaction of pentabromobenzyl halide with a polymer reactant which contains one or more six-membered aromatic ring(s) in its repeat unit, in the presence of at least one Friedel-Crafts catalyst. The so-formed bromine-containing polymers, having pendent —CH2C6Br5 groups attached to at least a portion of the six-membered aromatic rings of the polymer, with a carbon ring atom of said six-membered aromatic ring being bonded to the aliphatic carbon of said —CH2C6Br5 pendent group, are also provided. These bromine-containing polymers are useful as flame retarding agents.
    Type: Application
    Filed: July 7, 2015
    Publication date: May 25, 2017
    Inventors: Mark Gelmont, Michael Yuzefovich, David Yoffe, Renata Yelizarov, Ron Frim, Lior Melamed
  • Patent number: 9631144
    Abstract: A liquid flame retardant composition which comprises one or more flame retarding agents, which are the epoxides obtainable by reacting tetrabromobisphenol A with epichlorohydrin and their end-capped derivatives represented by Formula (1) is provided. The liquid composition is especially useful in the preparation of rigid polyurethane foams.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: April 25, 2017
    Assignee: Bromine Compounds Ltd.
    Inventors: Mark Gelmont, Michael Peled, Dina Alon, Ron Frim, Yoav Bar-Yaakov
  • Publication number: 20170022133
    Abstract: The invention relates to compounds of the formula Ar(—CH2C6Br5)y, wherein Ar indicates a structure comprising one or more six-membered aromatic ring(s) and —CH2C6Br5 indicates a pentabromobenzyl group, characterized in that at least one carbon atom of said six-membered aromatic ring(s) is bonded to the benzylic carbon of said —CH2C6Br5 group, wherein y, which indicates the number of the —CH2C6Br5 groups in said compound, is not less than 1. Processes for preparing the compounds and their use as flame retardants are also disclosed.
    Type: Application
    Filed: October 4, 2016
    Publication date: January 26, 2017
    Inventors: Mark GELMONT, Michael YUZEFOVITCH, David YOFFE, Ron FRIM
  • Patent number: 9481621
    Abstract: The invention relates to compounds of the formula Ar(—CH2C6Br5)y, wherein Ar indicates a structure comprising one or more six-membered aromatic ring(s) and —CH2C6Br5 indicates a pentabromobenzyl group, characterized in that at least one carbon atom of said six-membered aromatic ring(s) is bonded to the benzylic carbon of said —CH2C6Br5 group, wherein y, which indicates the number of the —CH2C6Br5 groups in said compound, is not less than 1. Processes for preparing the compounds and their use as flame retardants are also disclosed.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: November 1, 2016
    Assignee: BROMINE COMPOUNDS LTD.
    Inventors: Mark Gelmont, Michael Yuzefovitch, David Yoffe, Ron Frim